c# program

/* problem 1 */

using System;

class Program

{

static void Main()

{

Console.Write("Please enter a string ; ");

string input = Console.ReadLine();

bool isAlpha = true;

foreach(char c in input)

{

if (!Char.IsLetter(c))

{

isAlpha = false;

break;

}

if (isAlpha)

{

Console.WriteLine("The string is alphabetic");

}

else

{

Console.WriteLine("The string is not alphabetic");

}

Console.ReadKey();

}

/* problem 2 */

using System;

class Program

{

static void Main()

{

Console.Write("How many random numbers : ");

int n = int.Parse(Console.ReadLine());

Console.Write("Enter bottom of range : ");

int num1 = int.Parse(Console.ReadLine());

Console.Write("Enter top of range : ");

int num2 = int.Parse(Console.ReadLine());

Random r = new Random();

for(int i = 1; i <= n; i++) Console.WriteLine(r.Next(num1, num2 + 1));

Console.ReadKey();

}

/* problem 3 */

using System;

class Program

{

static void Main()

{

Console.Write("Please enter a sentence : ");

string sentence = Console.ReadLine().ToLower();

int count = 0;

foreach(char c in sentence)

{

if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') count++;

}

Console.WriteLine("There are {0} vowel(s) in the sentence", count);

Console.ReadKey();

}

4 Replies

Know the answer? Post it — somebody with the same question will find it here.

Vulpes13y ago
Accepted answer
/* problem 1 */

using System;

class Program
{
static void Main()
{
Console.Write("Please enter a string ; ");
string input = Console.ReadLine();
bool isAlpha = true;
foreach(char c in input)
{
if (!Char.IsLetter(c))
{
isAlpha = false;
break;
}
}
if (isAlpha)
{
Console.WriteLine("The string is alphabetic");
}
else
{
Console.WriteLine("The string is not alphabetic");
}
Console.ReadKey();
}
}

/* problem 2 */

using System;

class Program
{
static void Main()
{
Console.Write("How many random numbers : ");
int n = int.Parse(Console.ReadLine());
Console.Write("Enter bottom of range : ");
int num1 = int.Parse(Console.ReadLine());
Console.Write("Enter top of range : ");
int num2 = int.Parse(Console.ReadLine());
Random r = new Random();
for(int i = 1; i <= n; i++) Console.WriteLine(r.Next(num1, num2 + 1));
Console.ReadKey();
}
}

/* problem 3 */

using System;

class Program
{
static void Main()
{
Console.Write("Please enter a sentence : ");
string sentence = Console.ReadLine().ToLower();
int count = 0;
foreach(char c in sentence)
{
if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') count++;
}
Console.WriteLine("There are {0} vowel(s) in the sentence", count);
Console.ReadKey();
}
}
Sinu Joseph13y ago
ya i want these questions to be answered
can u help me

1)Accept the names of 10 candidates and sort them alphabettically.
2)display a 4X4 identity matrises
3)product of 2x2 matrises
SUNIL GUTTA13y ago
Hey yo .! Sinu did you get the solution to array problem you posted :) if not just ping me up
Sinu Joseph13y ago
Thank You Vulpes !!!!!! i have already asked another questions can u check tht too.